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Cheap flights from St. Louis to Canada from C$ 157

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Canada departing on 7/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Canada

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:42 a.m. - 11:12 a.m.STL-YVR
26h 30m1 stop
Multiple Airlines Logo
11:00 p.m. - 9:52 a.m.YVR-STL
8h 52m1 stop
C$ 336Multiple Airlines
Find Deal
Fri, 5 Dec - Sun, 7 Dec
Multiple Airlines Logo
7:43 p.m. - 11:43 a.m.STL-YYC
17h 00m2 stops
Multiple Airlines Logo
12:30 a.m. - 9:47 a.m.YYC-STL
8h 17m1 stop
C$ 346Multiple Airlines
Find Deal
Mon, 23 Feb - Thu, 26 Feb
American Airlines Logo
10:03 a.m. - 9:29 p.m.STL-YYZ
10h 26m1 stop
American Airlines Logo
6:00 a.m. - 6:03 p.m.YYZ-STL
13h 03m1 stop
C$ 387American Airlines
Find Deal
Sat, 14 Feb - Sat, 21 Feb
American Airlines Logo
6:00 a.m. - 4:03 p.m.STL-YYZ
9h 03m1 stop
American Airlines Logo
11:30 a.m. - 9:15 p.m.YYZ-STL
10h 45m1 stop
C$ 444American Airlines
Find Deal
Mon, 19 Jan - Tue, 20 Jan
Alaska Airlines Logo
7:00 a.m. - 9:12 p.m.STL-YLW
16h 12m1 stop
Alaska Airlines Logo
8:00 a.m. - 1:51 p.m.YLW-STL
27h 51m1 stop
C$ 573Alaska Airlines
Find Deal
Tue, 10 Mar - Wed, 11 Mar
Air Canada Logo
4:05 p.m. - 11:54 p.m.STL-YWG
7h 49m1 stop
Air Canada Logo
7:05 a.m. - 3:29 p.m.YWG-STL
8h 24m1 stop
C$ 603Air Canada
Find Deal
Wed, 4 Mar - Fri, 6 Mar
United Airlines Logo
5:00 a.m. - 11:57 a.m.STL-YWG
6h 57m1 stop
United Airlines Logo
2:20 p.m. - 10:59 p.m.YWG-STL
8h 39m1 stop
C$ 604United Airlines
Find Deal
Thu, 5 Mar - Fri, 6 Mar
United Airlines Logo
4:05 p.m. - 11:54 p.m.STL-YWG
7h 49m1 stop
United Airlines Logo
7:05 a.m. - 3:29 p.m.YWG-STL
8h 24m1 stop
C$ 708United Airlines
Find Deal
Sun, 4 Jan - Sun, 11 Jan
Alaska Airlines Logo
7:00 a.m. - 4:44 p.m.STL-YLW
11h 44m1 stop
Alaska Airlines Logo
5:35 p.m. - 11:59 p.m.YLW-STL
28h 24m1 stop
C$ 792Alaska Airlines
Find Deal
Sun, 7 Dec - Thu, 11 Dec
Air Canada Logo
4:05 p.m. - 11:28 p.m.STL-YQB
6h 23m1 stop
Air Canada Logo
10:55 a.m. - 3:29 p.m.YQB-STL
5h 34m1 stop
C$ 949Air Canada
Find Deal
Mon, 9 Feb - Thu, 12 Feb

American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets
American Airlines
14 Feb
STL10:03 a.m.Lambert-St Louis
10h 26m
1 stop
YYZ9:29 p.m.Toronto Pearson Intl
21 Feb
YYZ6:00 a.m.Toronto Pearson Intl
13h 03m
1 stop
STL6:03 p.m.Lambert-St Louis
C$ 387
Find similar
American Airlines
19 Jan
STL6:00 a.m.Lambert-St Louis
9h 03m
1 stop
YYZ4:03 p.m.Toronto Pearson Intl
20 Jan
YYZ11:30 a.m.Toronto Pearson Intl
10h 45m
1 stop
STL9:15 p.m.Lambert-St Louis
C$ 444
Find similar
American Airlines
18 Jan
STL6:44 p.m.Lambert-St Louis
19h 04m
1 stop
YYC12:48 p.m.Calgary
25 Jan
YYC1:40 p.m.Calgary
22h 23m
1 stop
STL1:03 p.m.Lambert-St Louis
C$ 481
Find similar

Air Canada flights from St. Louis to Canada

Our best Air Canada deals on St. Louis to Canada flight tickets
Air Canada
9 Dec
STL6:30 a.m.Lambert-St Louis
13h 45m
1 stop
YVR6:15 p.m.Vancouver Intl
9 Dec
YVR10:30 p.m.Vancouver Intl
13h 55m
2 stops
STL2:25 p.m.Lambert-St Louis
C$ 599
Find similar
Air Canada
4 Mar
STL4:05 p.m.Lambert-St Louis
7h 49m
1 stop
YWG11:54 p.m.Winnipeg
6 Mar
YWG7:05 a.m.Winnipeg
8h 24m
1 stop
STL3:29 p.m.Lambert-St Louis
C$ 603
Find similar
Air Canada
9 Dec
STL9:00 a.m.Lambert-St Louis
10h 39m
2 stops
YVR5:39 p.m.Vancouver Intl
9 Dec
YVR11:10 p.m.Vancouver Intl
13h 15m
2 stops
STL2:25 p.m.Lambert-St Louis
C$ 606
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Canada that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 20 November 2025.
Use the filters below to find and compare flights from St. Louis to Canada that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Fri 5/12

10:42 a.m.-11:12 a.m.

1 stop26h 30m

Vancouver Intl

Sun 7/12

11:00 p.m.-9:52 a.m.

1 stop8h 52m

C$ 336

St. LouisCalgary

STL - YYC

STLYYC

Lambert-St Louis

Mon 23/2

7:43 p.m.-11:43 a.m.

2 stops17h 00m

Calgary

Thu 26/2

12:30 a.m.-9:47 a.m.

1 stop8h 17m

C$ 346

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 14/2

10:03 a.m.-9:29 p.m.

1 stop10h 26m

Toronto Pearson Intl

Sat 21/2

6:00 a.m.-6:03 p.m.

1 stop13h 03m

C$ 387

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Mon 19/1

6:00 a.m.-4:03 p.m.

1 stop9h 03m

Toronto Pearson Intl

Tue 20/1

11:30 a.m.-9:15 p.m.

1 stop10h 45m

C$ 444

St. LouisKelowna

STL - YLW

STLYLW

Lambert-St Louis

Tue 10/3

7:00 a.m.-9:12 p.m.

1 stop16h 12m

Kelowna

Wed 11/3

8:00 a.m.-1:51 p.m.

1 stop27h 51m

C$ 573

St. LouisWinnipeg

STL - YWG

STLYWG

Lambert-St Louis

Wed 4/3

4:05 p.m.-11:54 p.m.

1 stop7h 49m

Winnipeg

Fri 6/3

7:05 a.m.-3:29 p.m.

1 stop8h 24m

C$ 603

St. LouisWinnipeg

STL - YWG

STLYWG

Lambert-St Louis

Thu 5/3

5:00 a.m.-11:57 a.m.

1 stop6h 57m

Winnipeg

Fri 6/3

2:20 p.m.-10:59 p.m.

1 stop8h 39m

C$ 604

St. LouisWinnipeg

STL - YWG

STLYWG

Lambert-St Louis

Sun 4/1

4:05 p.m.-11:54 p.m.

1 stop7h 49m

Winnipeg

Sun 11/1

7:05 a.m.-3:29 p.m.

1 stop8h 24m

C$ 708

St. LouisKelowna

STL - YLW

STLYLW

Lambert-St Louis

Sun 7/12

7:00 a.m.-4:44 p.m.

1 stop11h 44m

Kelowna

Thu 11/12

5:35 p.m.-11:59 p.m.

1 stop28h 24m

C$ 792

St. LouisQuébec City

STL - YQB

STLYQB

Lambert-St Louis

Mon 9/2

4:05 p.m.-11:28 p.m.

1 stop6h 23m

Québec City

Thu 12/2

10:55 a.m.-3:29 p.m.

1 stop5h 34m

C$ 949

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Canada from

How to get the cheapest flight ticket from St. Louis to Canada

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Canada?

In general, January is the cheapest month to fly from St. Louis to Canada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 402. If you’re not able to fly to Canada in January, then April is your next best option. Flight prices from St. Louis to Canada during April average around C$ 440.

What is the cheapest day to depart on your flight to Canada?

Our data shows that Friday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as C$ 520. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 940. These prices are subject to change though, so be sure to set up a Price Alert for flights to Canada.

What is the cheapest time of day to depart on your flight to Canada?

According to our data, the cheapest time of day to fly to Canada is at noon. momondo users have found flights departing from St. Louis to Canada at noon for as low as C$ 601. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Canada, so prices are often more expensive at around C$ 778 per ticket.

What is the cheapest Lambert-St Louis to Canada flight route?

Fly from Lambert-St Louis to Toronto Pearson Intl for the best Lambert-St Louis - Canada flight prices

How far in advance should I book a flight to Canada?

You are more likely to see cheaper flights to Canada from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around C$ 692 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from St. Louis for as low as C$ 310 on momondo.

What cabin class options are available on Lambert-St Louis to Canada flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Canada flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Canada flights?

You could potentially save up to 26% on your flight if you consider stops on a St. Louis to Canada flight.

Cheap St. Louis to Canada flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Canada

Best price found

C$ 475

Fastest flight time

1h 57m

Direct flights

Every day

Airports in Canada

2 airports
The best flight deal from St. Louis to Canada found on momondo in the last 72 hours is C$ 475
The fastest flight from St. Louis to Canada takes 1h 57m
Direct flights go from St. Louis to Canada every day.
There are 2 airports near Canada: Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ)
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Canada?

    Prices for flights from Lambert-St Louis Airport to Canada are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Canada?

  • How old do you have to be to fly from Lambert-St Louis Airport to Canada?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Canada.

  • What documentation or ID do you need to fly to Canada?

    The travel and health documents you'll need for your trip to Canada may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Canada. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Canada?

Best airlines flying from St. Louis to Canada

Compare and see reviews for airlines that fly from St. Louis to Canada with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 306Free CancellationRating
7.1
10,463 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Canada?

It is quick and easy to find St. Louis to Canada flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Canada that suits you.

Can I find flights from St. Louis to Canada with flexible booking policies on momondo?

Yes. All flights to Canada from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Canada?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Canada.

I’m not ready to book a flight from St. Louis to Canada right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Canada now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Canada and let you know when they change.

An easier way to manage your Canada trip

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Find better results for your trip to Canada

Popular Cities in Canada

Popular flights according to clicks in the last 7 days on momondo
Flights to Torontofrom C$ 86
Flights to Vancouverfrom C$ 78
Flights to Montrealfrom C$ 49
Flights to Calgaryfrom C$ 80
Flights to Ottawafrom C$ 195
Flights to Winnipegfrom C$ 133
Flights to Halifaxfrom C$ 53
Flights to Kelownafrom C$ 73
Flights to Saskatoonfrom C$ 135
Flights to Reginafrom C$ 161
Flights to St. John'sfrom C$ 248
Flights to Québec Cityfrom C$ 290